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25 - What is the total length of the route traveled? Solve it with me!
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22 - Books on sale: How many were there before the sale?
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18 How many orders go to Region A? Do you know?
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17- How old is Bruno, after all? Surprising answer!
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Regra de Três Simples e Composta: Resolva Questões de Matemática para o Concurso dos Correios!
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19 How many hours does the truck need to travel 360 km?
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20 - How to maximize profit from delivered packages? See here!
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